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Didn’t had time for this lately, but I’m not finished yet. This is fromChatGPT Deep Research EPS Connector Pinout (Source Side) for Brocade ICX6450 The following table outlines the 20-pin EPS connector layout on the power supply side (EPS1500 / EPS4000) used for powering Brocade ICX6450...

Sice you don’t need any more, can I ask where you get those PSU’s?

@luckylinux Regarding IO shield, you will be printing it on 3D printer for those cases you bought?

Looks like I hawe too small balls to try such an offer :D What about postage for 30 pieces, isn’t it insane?

I usually avoid these enterprise servers because licensing issues and many proprietary parts that should be included and didn’t because I don’t know I need them. But for right pirce could be definitelly interesting at least take few for experiments :) I have decent experience with Supermicro &...

Where you get those deals? :-)

I already checked. Also I ordered from this seller many times, they are pro’s. Only downside of this deal is that they miss raiĺit.

Not yet, I’m just considering other viable options. I definitelly finish this 12 pcs batch, but wont buy any more. I’ll be ok with H12SSL for some time when I need test something with PCIe 4. I build my new NAS on one of them, test kubernetes cluster, etc. Will see how many of them I’ll keep and...

Or get something like this: https://www.ebay.com/itm/405469095871 12x NVMe in 1U for this price is fine. I’ll bet they offer much better price since they have lot of them and stock does not decrease

Until you want to play with graphic card, 100Gbit networking or something. I wanted them because they are somewhat “modern”. Considering all the costs arround, I could have much more cheaper complete servers with PCIe 3 support :(

Damn, another setback :(

Never mind, I'm stupid. B450 means no PCIe 4 support. Both slots are PCIe 3. First is full x16, second x8 with electricly connected x4 only:

Does anyone tried to test NVMe speed? Ryzen 3700X 1x M.2 PCIe 5 - slot 2 (x8) using reduction 4x U.2 PCIe 4 - slot 1 (x16, biffucation se to x4/x4/x4/x4) using reduction Clean Ubuntu 24.04 LTS All five disk speed was downgraded to 8GT/s Seagate ZP2000GM30004 (PCI: 0000:01:00.0) LnkCap: Port...

Anyone received and tested it? How's the speed? Any packet loss? What about temperature?

You may be right, but I tested with only one nic connected, so ping should not be that bad.

Tested them today, they had terrible ping. From 50 to 1000 ms. My gate pings under 1 ms. Tried two nics, on different PCIe ports, with different cables, cooled with fan (they get really hot) on Ubuntu 24.04

For what I know, they are not common on eBay or more expensive than whole switch. My advise is sell it and buy whole switch.

I see, thank you for your insight.

Don't worry, this is solely homelab project :-) Would never use such a solution in production, don't make sense to save few bucks there. I like your thinking :-) What I learned from this forum, that these cheap PSU's have habbit to fail and take MB with them. Have you any experience with those?

I know now there is only 12V and 56V going outside of the box. But the connector from three power sources looks exactly like ATX. Didn’t had time to inspect in depth yet. Since I need to power up 12 ASRock mainboards I have from another thread and these EPS1500 are lying arround, would be nice...